Microwave oven



FIG. 1 is a perspective view of the front, top and right side of a microwave oven showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment thereof, the only difference being a modified key pad;

FIG. 9 is a perspective view of a third embodiment thereof, the only difference being a modified key pad; and,

FIG. 10 is a perspective view of a fourth embodiment thereof, the only difference being a modified key pad. 

The ornamental design for a microwave oven, as shown and described. 